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Gas Processing

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Gas Processing is the process of removing the impurities and contaminants from raw natural gas in order to provide a useable product for residential and commercial use. Raw natural gas must be purified to meet certain quality standards specified by major pipeline transmission and distribution companies. Contaminants often removed from natural gas include: heavier gaseous hydrocarbons such as ethane, propane, butane, and isobutane, acid gasses such as carbon dioxide and hydrogen sulfide, water, liquid hydrocarbons, and mercury. The final processed gas is almost pure methane.

Many of these so-called impurities are referred to as natural gas liquids or NGLs (ethane, propane, butane, isobutane, and natural gasoline) and can be very valuable by-products of natural gas processing. These NGLs are sold separately and have a variety of different uses, including:

A gas processing plant often consists of equipment including, but not limited to, pipelines, separators, dehydrators, process piping, boilers, absorption towers, fractionators, and storage tanks.

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Articles about Gas Processing
September/October 2002 Inspectioneering Journal

John has primary responsibility for NDE consulting and troubleshooting for BP around the world in the refining, chemical and gas processing industries. We at the IJ thought it might be valuable to spend some time chatting about his background,...

Authors: Greg Alvarado
Partner Content

Gecko's robots cover up to 150 square feet per minute and can perform inspections internally or externally. We combine logistical simplicity, speed, and a range of inspection strategies to provide a targeted and economical solution for tank...

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